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Ratio of intensities of two waves are gi...

Ratio of intensities of two waves are given by 4:1. Then ratio of the amplitudes of the two waves is

A

`2:1`

B

`1:2`

C

`4:1`

D

`1:4`

Text Solution

Verified by Experts

The correct Answer is:
A
`(I_(1))/(I_(2))=(a_(1)^(2))/(a_(2)^(2))=(4)/(1)`
`:.(a_(1))/(a_(2))=(2)/(1)=2:1`
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